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/* $Id: openssl-sha1.cpp $ */
/** @file
* IPRT - SHA-1 hash functions.
*/
/*
* Copyright (C) 2009-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "internal/iprt.h"
#include <openssl/sha.h>
#define RT_SHA1_PRIVATE_CONTEXT
#include <iprt/sha.h>
#include <iprt/assert.h>
#include <iprt/string.h>
AssertCompile(RT_SIZEOFMEMB(RTSHA1CONTEXT, abPadding) >= RT_SIZEOFMEMB(RTSHA1CONTEXT, Private));
RTDECL(void) RTSha1(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA1_HASH_SIZE])
{
RTSHA1CONTEXT Ctx;
RTSha1Init(&Ctx);
RTSha1Update(&Ctx, pvBuf, cbBuf);
RTSha1Final(&Ctx, pabDigest);
}
RT_EXPORT_SYMBOL(RTSha1);
RTDECL(bool) RTSha1Check(const void *pvBuf, size_t cbBuf, uint8_t const pabDigest[RTSHA1_HASH_SIZE])
{
RTSHA1CONTEXT Ctx;
RTSha1Init(&Ctx);
RTSha1Update(&Ctx, pvBuf, cbBuf);
uint8_t abActualDigest[RTSHA1_HASH_SIZE];
RTSha1Final(&Ctx, abActualDigest);
bool fRet = memcmp(pabDigest, abActualDigest, RTSHA1_HASH_SIZE) == 0;
RT_ZERO(abActualDigest);
return fRet;
}
RT_EXPORT_SYMBOL(RTSha1Check);
RTDECL(void) RTSha1Init(PRTSHA1CONTEXT pCtx)
{
SHA1_Init(&pCtx->Private);
}
RT_EXPORT_SYMBOL(RTSha1Init);
RTDECL(void) RTSha1Update(PRTSHA1CONTEXT pCtx, const void *pvBuf, size_t cbBuf)
{
SHA1_Update(&pCtx->Private, pvBuf, cbBuf);
}
RT_EXPORT_SYMBOL(RTSha1Update);
RTDECL(void) RTSha1Final(PRTSHA1CONTEXT pCtx, uint8_t pabDigest[RTSHA1_HASH_SIZE])
{
SHA1_Final((unsigned char *)&pabDigest[0], &pCtx->Private);
}
RT_EXPORT_SYMBOL(RTSha1Final);
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